Aftermarket ported muffler for MS660/ Stihl 066/Stihl 064 chainsaw models.
Includes complete muffler housing that has been ported (more holes added for more air flow & performance)
This Fits all 1122 series Stihl & aftermarket powerheads. Allowing significant gains throughout the RPM spectrum.
Muffler also allows for a “throaty report” when in the cut under load. Any questions don’t hesitate to email.
What you see is what you will receive.
